<template>
<div class="ls">
  <home-header></home-header>
  <home-swiper :list='swiperList'></home-swiper>
  <home-icons :list='iconList'></home-icons>
  <home-recommend :list='recommendList'></home-recommend>
  <home-weekend :list='weekendList'></home-weekend>
  </div>
</template>
<script>
import HomeHeader from './components/Header'
import HomeSwiper from './components/Swiper'
import HomeIcons from './components/icons'
import HomeRecommend from './components/Recommend'
import HomeWeekend from './components/Weekend'
import axios from 'axios';
import {mapState} from 'vuex';


export default {
  name: 'Home',
  components: {
    HomeHeader,
    HomeSwiper,
    HomeIcons,
    HomeRecommend,
    HomeWeekend
  },
  data (){
    return{
      lastCity:'',
      swiperList:[],
      iconList:[],
      recommendList:[],
      weekendList:[]
    }
  },
  computed:{
    ...mapState(['city'])
  },
  methods:{
    getHomeInfo(){
      axios.get('static/mock/index.json?city='+this.city).then(this.getHomeInfoSucc)
    },
    getHomeInfoSucc(res){
      res= res.data
      const data=res.data
      this.swiperList=data.swiperList
      this.iconList=data.iconList
      this.recommendList=data.recommendList
      this.weekendList=data.weekendList
    }
  },
  mounted (){
    this.lastCity=this.city
    this.getHomeInfo()
  },
  // 性能优化 切换首页与城市列表时相同则不加载 不同再加载
  activated(){
    if(this.lastCity!==this.city){
      this.lastCity = this.city
      this.getHomeInfo()
    }
  }
}
</script>
<style>

</style>
